by Michael Nardolilli, Executive Director of the Interstate Commission on the Potomac River Basin
Why are the state boundary lines along the Potomac River so irregular? Why doesn’t the line run neatly down the middle of the river, as it does in many other states? The fascinating story behind the Potomac’s peculiar borders involves colonial land grants, centuries-old legal disputes, and evolving interpretations of land and water rights.
Ownership of the Potomac River was entangled…

